Oil sump plate



FIG. 1 is a top plan view of an oil sump plate showing my new design;

FIG. 2 is a front elevational view;

FIG. 3 is a left side elevational view;

FIG. 4 is a right side elevational view;

FIG. 5 is a rear elevational view;

FIG. 6 is a bottom plan view;

FIG. 7 is a bottom perspective view; and,

FIG. 8 is a top perspective view.

I claim the ornamental design for an oil sump plate, as shown.